Porfavor me podrian ayudar, es urgente esta se refiere a la diagonal de un cuadrado

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false